User manual

P07303-II Series Customer Display User's Manual
4. Interface
There are two types of stand-alone VFD Pole Display – One is support “pass-through” and
“flow control” function, the other is only support “flow control”.
4.1. Interface Specification
Data transmission Serial
Synchronization Asynchronous
Signal level
MARK = -3 to -15 V (logic “1”)
SPACE = +3 to +15 V (logic “0”)
Baud rates 4800, 9600, 19200, 38400 bps
Parity None, even
Bit length 8 bits
Stop bits 1 bit
Hardware flow control
Support hardware flow control to indicator the
device
input
buffer full. The connection is base on cable
define (connect to PC’s CTS and/or DSR pin)
Pass-Through
Support by pass through version
with DTR/DSR
handshake control